Group 1 - The core viewpoint of the articles highlights the continuous expansion of Zhengzhou's urban built-up area, indicating significant urban development and growth in population and infrastructure [1][2][3] Group 2 - In 2024, the urban built-up area of Zhengzhou's central urban area is projected to be 822.30 square kilometers, with a total built-up area of 1431.65 square kilometers across the city, marking increases of 25.6 square kilometers and 19.43 square kilometers respectively compared to 2023 [1] - The built-up area has shown consistent growth over the years, with the central urban area expanding from 774.32 square kilometers in 2022 to 796.70 square kilometers in 2023, and further growth expected in 2024 [2] - Zhengzhou's population surpassed 13 million in 2023, with projections indicating it could reach 18 million by 2035, suggesting ongoing urban expansion and increased demand for infrastructure and services [3]

Core Viewpoint - The "Changsha Urban Land Spatial Master Plan (2021-2035)" emphasizes ecological civilization construction, focusing on optimizing green space layout, increasing per capita park green space, and enhancing the quality of green supply, aiming to create a more beautiful ecological environment for residents [1][2]. Group 1: Ecological Safety Framework - The plan aims to establish an ecological safety framework based on the region's natural resources, enhancing ecological functions and environmental quality through a network of rivers and mountains [2][4]. - It incorporates the concept of "natural mountain and water framework" to create a city-wide ecological environment, focusing on the ecological value of local resources [2]. Group 2: Urban Park Development - Recent years have seen accelerated urban park development in Changsha, transforming parks into essential recreational spaces for citizens [3]. - The plan proposes a comprehensive urban park system, integrating "natural protected areas, suburban parks, and urban parks," with a goal of achieving "300 meters to green, 500 meters to parks" [3]. - By 2035, the target is to ensure that the per capita park green space in urban areas is no less than 12.10 square meters, with a 90% coverage rate for parks and squares within a 5-minute walk [3]. Group 3: Green Infrastructure - The plan outlines the construction of identifiable urban green spaces and open areas, emphasizing the integration of modern urban features with local characteristics [5]. - It aims to maintain the integrity, connectivity, and balance of green spaces, gradually increasing green coverage through new constructions and renovations [5]. Group 4: Future Vision - The vision for the future includes a city where greenery is a visible and integral part of daily life, enhancing the quality of life for residents [6].